Pith Number

pith:IGC4CW72

pith:2025:IGC4CW72CYGSXQIVUWRXCQYF6E

not attested not anchored not stored refs pending

Safe Delta: Consistently Preserving Safety when Fine-Tuning LLMs on Diverse Datasets

Jiahao Wu, Ke Tang, Ning Lu, Qi Wang, Shengcai Liu, Weiyu Chen, Yew-Soon Ong, Zhirui Zhang

arxiv:2505.12038 v1 · 2025-05-17 · cs.LG · cs.AI · cs.CR

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IGC4CW72CYGSXQIVUWRXCQYF6E}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Cited by

1 paper in Pith

Continual Safety Alignment via Gradient-Based Sample Selection

Receipt and verification

First computed	2026-07-05T11:04:57.373755Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4185c15bfa160d2bc115a5a3714305f10147f4c8fcfe5e59db680fe8362e8edb

Aliases

arxiv: 2505.12038 · arxiv_version: 2505.12038v1 · doi: 10.48550/arxiv.2505.12038 · pith_short_12: IGC4CW72CYGS · pith_short_16: IGC4CW72CYGSXQIV · pith_short_8: IGC4CW72

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/IGC4CW72CYGSXQIVUWRXCQYF6E \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 4185c15bfa160d2bc115a5a3714305f10147f4c8fcfe5e59db680fe8362e8edb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3b83f4702c2a06a0eaa2bd903b13ffee75c458da328649601430199b54dc5659",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.CR"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2025-05-17T15:01:07Z",
    "title_canon_sha256": "6b8354b7810e525094b1b47fa1fd438bb38b433eecc077fed439a0b2f0625f55"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.12038",
    "kind": "arxiv",
    "version": 1
  }
}